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26 votes
Energy is transferred from ? 1 autotrophs to heterotrophs then back to the sun 2 the sun to heterotrophs to autotrophs 3 the sun to autotrophs to heterotrophs

User John Lawrence
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1 Answer

14 votes
14 votes

The correct answer is 3: Usually, it is from the sun to autotrophs and then heterotrophs.

User Hima
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